DE69309326T2 - Verfahren zur Polymerisation von linearem Polyethylen sehr niedriger Dichte - Google Patents
Verfahren zur Polymerisation von linearem Polyethylen sehr niedriger DichteInfo
- Publication number
- DE69309326T2 DE69309326T2 DE69309326T DE69309326T DE69309326T2 DE 69309326 T2 DE69309326 T2 DE 69309326T2 DE 69309326 T DE69309326 T DE 69309326T DE 69309326 T DE69309326 T DE 69309326T DE 69309326 T2 DE69309326 T2 DE 69309326T2
- Authority
- DE
- Germany
- Prior art keywords
- range
- temperature
- weight
- catalyst system
- comonomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 18
- 229920000092 linear low density polyethylene Polymers 0.000 title 1
- 239000004707 linear low-density polyethylene Substances 0.000 title 1
- 239000003054 catalyst Substances 0.000 claims description 41
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 35
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 28
- 239000005977 Ethylene Substances 0.000 claims description 28
- 238000006116 polymerization reaction Methods 0.000 claims description 27
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 23
- 239000000178 monomer Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003085 diluting agent Substances 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 13
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 9
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 8
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- LALRXNPLTWZJIJ-UHFFFAOYSA-N triethylborane Chemical compound CCB(CC)CC LALRXNPLTWZJIJ-UHFFFAOYSA-N 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 150000001639 boron compounds Chemical class 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000001282 iso-butane Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000000975 co-precipitation Methods 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 description 36
- 229920000642 polymer Polymers 0.000 description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 8
- 239000004711 α-olefin Substances 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004708 Very-low-density polyethylene Substances 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- -1 alkyl boron compound Chemical class 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229920001866 very low density polyethylene Polymers 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 150000001845 chromium compounds Chemical class 0.000 description 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 229920010346 Very Low Density Polyethylene (VLDPE) Polymers 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- QVGLDPPIMKSVBG-UHFFFAOYSA-N 2-methylbutane Chemical compound CCC(C)C.CCC(C)C QVGLDPPIMKSVBG-UHFFFAOYSA-N 0.000 description 1
- BCEIUDAMUFAQMG-UHFFFAOYSA-M CC(C)(C)O[Cr](O)(=O)=O Chemical compound CC(C)(C)O[Cr](O)(=O)=O BCEIUDAMUFAQMG-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229940117975 chromium trioxide Drugs 0.000 description 1
- UZEDIBTVIIJELN-UHFFFAOYSA-N chromium(2+) Chemical compound [Cr+2] UZEDIBTVIIJELN-UHFFFAOYSA-N 0.000 description 1
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 description 1
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 1
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000013416 safety cell bank Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- CMHHITPYCHHOGT-UHFFFAOYSA-N tributylborane Chemical compound CCCCB(CCCC)CCCC CMHHITPYCHHOGT-UHFFFAOYSA-N 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical compound C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- ZMPKTELQGVLZTD-UHFFFAOYSA-N tripropylborane Chemical compound CCCB(CCC)CCC ZMPKTELQGVLZTD-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polyethers (AREA)
- Polymerization Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/829,807 US5208309A (en) | 1992-01-31 | 1992-01-31 | Linear, very low density polyethylene polymerization process and products thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69309326D1 DE69309326D1 (de) | 1997-05-07 |
| DE69309326T2 true DE69309326T2 (de) | 1997-07-10 |
Family
ID=25255616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69309326T Expired - Fee Related DE69309326T2 (de) | 1992-01-31 | 1993-01-29 | Verfahren zur Polymerisation von linearem Polyethylen sehr niedriger Dichte |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US5208309A (fr) |
| EP (1) | EP0553875B1 (fr) |
| JP (1) | JP3283086B2 (fr) |
| KR (1) | KR100250713B1 (fr) |
| CN (2) | CN1069653C (fr) |
| AR (1) | AR246097A1 (fr) |
| AT (1) | ATE151082T1 (fr) |
| AU (1) | AU651919B2 (fr) |
| BR (1) | BR9300362A (fr) |
| CA (1) | CA2081798C (fr) |
| DE (1) | DE69309326T2 (fr) |
| DK (1) | DK0553875T3 (fr) |
| ES (1) | ES2101140T3 (fr) |
| FI (1) | FI930362A (fr) |
| GR (1) | GR3023819T3 (fr) |
| HU (1) | HU212250B (fr) |
| MX (1) | MX9300496A (fr) |
| MY (1) | MY108973A (fr) |
| NO (1) | NO300330B1 (fr) |
| SG (1) | SG47057A1 (fr) |
| TW (1) | TW268955B (fr) |
| ZA (1) | ZA93320B (fr) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420220A (en) * | 1993-03-25 | 1995-05-30 | Mobil Oil Corporation | LLDPE films |
| US5576263A (en) * | 1993-12-28 | 1996-11-19 | Phillips Petroleum Company | Chromium catalyst compositions and ethylene polymerization processes therewith |
| CZ235197A3 (en) * | 1995-01-24 | 1997-12-17 | Du Pont | Alpha olefins, olefin polymers and process for preparing thereof |
| US5880241A (en) * | 1995-01-24 | 1999-03-09 | E. I. Du Pont De Nemours And Company | Olefin polymers |
| US6897272B1 (en) | 1995-01-24 | 2005-05-24 | E.I. Du Pont De Nemours And Company | α-olefins and olefin polymers and processes therefor |
| BE1010715A3 (fr) | 1996-10-25 | 1998-12-01 | Solvay | Copolymere d'ethylene et d'au moins une alpha-olefine et procede pour son obtention. |
| US5866661A (en) * | 1996-12-13 | 1999-02-02 | Phillips Petroleum Company | Ethylene polymerization processes and products thereof |
| EP0857737A1 (fr) * | 1997-02-07 | 1998-08-12 | Fina Research S.A. | Production de polyethylène ayant résistance au choc |
| AU7364398A (en) * | 1997-09-19 | 1999-04-12 | Phillips Petroleum Company | Polymerization catalysts and processes therefor |
| EP0952165A1 (fr) * | 1998-04-24 | 1999-10-27 | Fina Research S.A. | Préparation de polyéthylène ayant des propriétés mécaniques améliorées |
| ATE253598T1 (de) * | 1998-05-29 | 2003-11-15 | Du Pont | Copolymerisation von olefine |
| US6174981B1 (en) * | 1998-12-17 | 2001-01-16 | Phillips Petroleum Company | Polymerization process |
| US6569960B2 (en) * | 1999-07-27 | 2003-05-27 | Phillips Petroleum Company | Process to produce polymers |
| US6465586B2 (en) * | 1999-11-12 | 2002-10-15 | Mcdaniel Max P. | Polymerization catalyst and process |
| EP1242179B1 (fr) * | 1999-12-16 | 2013-05-15 | Chevron Phillips Chemical Company LP | Catalyseur a base de compose organometallique |
| CA2414050C (fr) * | 2000-06-22 | 2010-06-22 | Exxonmobil Chemical Patents Inc. | Polyethylenes tres basse densite produits par catalyse metallocenique |
| DE50103415D1 (de) * | 2000-07-05 | 2004-09-30 | Basell Polyolefine Gmbh | Geträgerter, titanisierter chrom-katalysator und seine verwendung zur herstellung von ethylenhomopolymerisaten und -copolymerisaten |
| US7223823B2 (en) * | 2002-06-06 | 2007-05-29 | Exxon Mobil Chemical Patents Inc. | Catalyst system and process |
| KR100469470B1 (ko) * | 2003-01-30 | 2005-02-02 | 엘지전자 주식회사 | 열변형을 이용한 댐퍼 및 이를 구비한 세탁기 |
| US20040167015A1 (en) * | 2003-02-26 | 2004-08-26 | Cann Kevin J. | Production of broad molecular weight polyethylene |
| US7288596B2 (en) | 2003-12-22 | 2007-10-30 | Univation Technologies, Llc | Polyethylene compositions having improved tear properties |
| US7193017B2 (en) * | 2004-08-13 | 2007-03-20 | Univation Technologies, Llc | High strength biomodal polyethylene compositions |
| US7175543B2 (en) * | 2005-01-26 | 2007-02-13 | Callaway Golf Company | Golf ball and thermoplastic material |
| US7312279B2 (en) * | 2005-02-07 | 2007-12-25 | Univation Technologies, Llc | Polyethylene blend compositions |
| US7312267B2 (en) * | 2005-02-23 | 2007-12-25 | Callaway Golf Company | Golf ball and thermoplastic material |
| US8258246B2 (en) * | 2008-01-31 | 2012-09-04 | Fina Technology, Inc. | Preparation of supported chromium catalyst and polymerization process |
| US8399580B2 (en) | 2010-08-11 | 2013-03-19 | Chevron Philips Chemical Company Lp | Additives to chromium catalyst mix tank |
| US9174377B2 (en) | 2011-05-12 | 2015-11-03 | Chevron Phillips Chemical Company Lp | Multilayer blown films for shrink applications |
| GB2518443A (en) * | 2013-09-24 | 2015-03-25 | Ibm | Method for detecting phishing of a matrix barcode |
| WO2016109370A1 (fr) * | 2014-12-30 | 2016-07-07 | Shell Oil Company | Procédé de conversion de composés oxygénés |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5556110A (en) * | 1978-10-20 | 1980-04-24 | Nippon Oil Co Ltd | Preparation of copolymer |
| US4424320A (en) * | 1981-11-25 | 1984-01-03 | Phillips Petroleum Company | Polymerization with a silica base catalyst having titanium incorporated through use of peroxide |
| US4503201A (en) * | 1982-08-05 | 1985-03-05 | Phillips Petroleum Company | Polymerization with CO reduced chromyl halide on silica catalyst |
| US4672096A (en) * | 1984-04-04 | 1987-06-09 | Mobil Oil Corporation | Catalyst composition for polymerizing alpha-olefins |
| US4619980A (en) * | 1985-04-01 | 1986-10-28 | Phillips Petroleum Company | Polymerization catalyst, method of making and use therefor |
| CA1309801C (fr) * | 1987-09-18 | 1992-11-03 | Elizabeth A. Boggs | Procede de polymerisation d'olefine |
| US4966951A (en) * | 1988-09-26 | 1990-10-30 | Phillips Petroleum Company | High strength linear, low density polyethylene polymerization process |
| CA2003882C (fr) * | 1988-12-19 | 1997-01-07 | Edwin Rogers Smith | Terpolymere de polyethylene de tres faible densite thermoretrecissable |
| US5071927A (en) * | 1990-10-09 | 1991-12-10 | Phillips Petroleum Company | High-temperature slurry polymerization of ethylene |
-
1992
- 1992-01-31 US US07/829,807 patent/US5208309A/en not_active Expired - Lifetime
- 1992-10-30 CA CA002081798A patent/CA2081798C/fr not_active Expired - Lifetime
-
1993
- 1993-01-04 CN CN93100042A patent/CN1069653C/zh not_active Expired - Fee Related
- 1993-01-18 TW TW082100296A patent/TW268955B/zh not_active IP Right Cessation
- 1993-01-18 ZA ZA93320A patent/ZA93320B/xx unknown
- 1993-01-19 AU AU31883/93A patent/AU651919B2/en not_active Ceased
- 1993-01-28 MY MYPI93000135A patent/MY108973A/en unknown
- 1993-01-28 HU HU9300226A patent/HU212250B/hu not_active IP Right Cessation
- 1993-01-28 FI FI930362A patent/FI930362A/fi unknown
- 1993-01-28 BR BR9300362A patent/BR9300362A/pt not_active IP Right Cessation
- 1993-01-29 JP JP01410493A patent/JP3283086B2/ja not_active Expired - Lifetime
- 1993-01-29 DK DK93101445.0T patent/DK0553875T3/da active
- 1993-01-29 ES ES93101445T patent/ES2101140T3/es not_active Expired - Lifetime
- 1993-01-29 DE DE69309326T patent/DE69309326T2/de not_active Expired - Fee Related
- 1993-01-29 AT AT93101445T patent/ATE151082T1/de not_active IP Right Cessation
- 1993-01-29 EP EP93101445A patent/EP0553875B1/fr not_active Expired - Lifetime
- 1993-01-29 MX MX9300496A patent/MX9300496A/es active IP Right Grant
- 1993-01-29 NO NO930331A patent/NO300330B1/no unknown
- 1993-01-29 SG SG1996004809A patent/SG47057A1/en unknown
- 1993-01-29 AR AR93324210A patent/AR246097A1/es active
- 1993-01-30 KR KR1019930001205A patent/KR100250713B1/ko not_active IP Right Cessation
-
1997
- 1997-06-19 GR GR970401457T patent/GR3023819T3/el unknown
-
2000
- 2000-06-23 CN CN00118880A patent/CN1310187A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR100250713B1 (ko) | 2000-04-01 |
| JPH05271340A (ja) | 1993-10-19 |
| EP0553875B1 (fr) | 1997-04-02 |
| DE69309326D1 (de) | 1997-05-07 |
| TW268955B (fr) | 1996-01-21 |
| NO930331L (no) | 1993-08-02 |
| SG47057A1 (en) | 1998-03-20 |
| NO930331D0 (no) | 1993-01-29 |
| ZA93320B (en) | 1993-08-19 |
| HU9300226D0 (en) | 1993-04-28 |
| CN1069653C (zh) | 2001-08-15 |
| HU212250B (en) | 1996-04-29 |
| FI930362A (fi) | 1993-08-01 |
| CA2081798A1 (fr) | 1993-08-01 |
| US5208309A (en) | 1993-05-04 |
| MX9300496A (es) | 1994-07-29 |
| DK0553875T3 (fr) | 1997-04-21 |
| AU3188393A (en) | 1993-08-05 |
| GR3023819T3 (en) | 1997-09-30 |
| CN1074686A (zh) | 1993-07-28 |
| FI930362A0 (fi) | 1993-01-28 |
| KR930016450A (ko) | 1993-08-26 |
| AR246097A1 (es) | 1994-03-30 |
| CA2081798C (fr) | 1997-10-14 |
| ES2101140T3 (es) | 1997-07-01 |
| AU651919B2 (en) | 1994-08-04 |
| BR9300362A (pt) | 1993-08-24 |
| EP0553875A1 (fr) | 1993-08-04 |
| ATE151082T1 (de) | 1997-04-15 |
| MY108973A (en) | 1996-11-30 |
| NO300330B1 (no) | 1997-05-12 |
| JP3283086B2 (ja) | 2002-05-20 |
| CN1310187A (zh) | 2001-08-29 |
| HUT64980A (en) | 1994-03-28 |
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| 8339 | Ceased/non-payment of the annual fee |